Containment device



FIG. 1 is a front and side perspective view of the containment device showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is an opposite side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view. 

CLAIM The ornamental design for a containment device, as shown. 